Questions and Answers
What are some examples of knee extension open chain exercises?
What does a Quad set require?
Heel to clear the table.
What is SLR?
Straight Leg Raise.
What does SAQ stand for?
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What is LAQ?
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What are examples of closed chain knee extension exercises?
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What does TKE require?
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What is the focus of squat progression?
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Match the following terms with their definitions:
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Which technique is used to increase knee extension flexibility?
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What should you do in neuromuscular inhibition techniques for knee extension flexibility?
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How should the form be for a standing quad stretch?
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Study Notes
Knee Extension: Open Chain Exercises
- Include quad sets, straight leg raises (SLR), short arc terminal extension (SAQ), and full arc extension (LAQ).
Quad Set
- Performed in open chain; aim for heel clearance from the table.
Straight Leg Raises (SLR)
- Execute with the other leg bent; watch for full extension weakness.
- Begin with quad setting and dorsiflexion before raising the leg.
- Progress with resistance bands or weights.
Short Arc Quadriceps (SAQ)
- In open chain; focus on 30 degrees of motion at the end range.
Long Arc Quadriceps (LAQ)
- In open chain; involves a full range of motion.
Knee Extension: Closed Chain Exercises
- Exercises include terminal knee extensions (TKE), squat progressions, step up/down variations, standing wall slides, and lunge progressions.
Terminal Knee Extension (TKE)
- In closed chain; keep the foot flat while applying eccentric resistance during extension and concentric during flexion.
Squat Progression
- Maintain an upright head and chest; hips go back slightly with lordosis; ensure knees stay behind toes.
Step Up/Down Variations
- Focus on keeping knees behind toes and controlling the descent.
- Note potential hip drop from weak musculature or tightness in hip/knee flexors.
Standing Wall Slides
- Foot positioning is crucial in this closed chain exercise.
Lunge Progression
- Keep head and chest upright; trunk flexion is acceptable as long as rounding is avoided.
Knee Flexion: Open Chain Exercises
- Exercises consist of hamstring setting and hamstring curls.
Hamstring Setting
- Performed in open chain; isometric exercise pushing the heel into the table with slight knee flexion.
Hamstring Curls
- Variants include prone curls with minimal compressive force and standing/sitting options targeting different resistance levels.
Knee Flexion: Closed Chain Exercises
- Exercises include hamstring bridges, squat progressions, and step variations, as well as chair scooting.
Hamstring Bridge
- Closed chain exercise; progress difficulty by changing foot position or adding a stability ball.
Comparison: Hamstring Bridge vs. Glute Bridge
- Hamstring bridges done with feet further away and straighter knees; glute bridges with feet closer at 90 degrees.
Chair Scooting
- Closed chain movement involving double-leg, single-leg variations, and added weight; utilizes forward and backward scooting.
Exercises to Increase Knee Extension Flexibility
- Techniques include neuromuscular inhibition, passive stretching, and self-stretching.
Neuromuscular Inhibition Techniques
- Use to promote knee extension flexibility; manual techniques involve pulling the leg into or pushing the leg into extension with holds.
Passive Stretching Techniques
- Include prone hangs and long sitting with weights to induce passive knee extension flexibility.
Self-Stretching Techniques
- Options such as passive range of motion (PROM) and active-assisted range of motion (AAROM) for aiding stretching efforts.
Exercises to Increase Knee Flexion Flexibility
- Similar methods of neuromuscular inhibition, passive stretching, and self-stretching are applicable.
Self-Stretching Techniques for Knee Flexion
- Gravity-assisted wall slides and forward rocking onto steps; also includes modified sitting ROM exercises.
Form for Standing Quad Stretch
- Maintain hips extended and knees flexed; hold the front of the ankle while avoiding trunk hyperextension by tucking the tailbone.
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Description
Test your knowledge of knee exercises with these flashcards. Learn about open chain exercises, quad sets, straight leg raises, and more essential terms related to knee rehabilitation. Perfect for students or professionals in physical therapy or sports medicine.
